just one question remains to me: on the zebralight.com website there are two versions available: p4 for 39 bucks and q5 for 49. ist the q5 version worth the extra 10? the specifications dont differ that much, only the high setting will probably be a bit brighter.
The difference *is* visible in high mode in a side by side comparison. It's not that big, but it's visible. No differences in runtime.
Whether a slight difference in brightness justifies the extra 10 bucks is something only you can decide. I got both ...
Hans